15987730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 32242392

約数和(自身を除く): 16254662

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 181, 242, 362, 365, 605, 730, 803, 905, 1210, 1606, 1810, 1991, 3982, 4015, 8030, 8833, 9955, 13213, 17666, 19910, 21901, 26426, 43802, 44165, 66065, 88330, 109505, 132130, 145343, 219010, 290686, 726715, 1453430, 1598773, 3197546, 7993865, 15987730]

約数ペア:

[(1, 15987730), (2, 7993865), (5, 3197546), (10, 1598773), (11, 1453430), (22, 726715), (55, 290686), (73, 219010), (110, 145343), (121, 132130), (146, 109505), (181, 88330), (242, 66065), (362, 44165), (365, 43802), (605, 26426), (730, 21901), (803, 19910), (905, 17666), (1210, 13213), (1606, 9955), (1810, 8833), (1991, 8030), (3982, 4015)]